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The electrical potential of the cell body changes during an action potential from a negative potential of around -70 mV to a positive potential of +40 mV. The resting potential, however, remains constant.

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15y ago
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10y ago

The electric charge of the action potential is positive. This is made possible by the influx of positive sodium and potassium ions via ion channels.

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13y ago

It's milivolt (the unit that's used for membrane voltage)

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Q: What is the electrical charge of an action potential?
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Related questions

When the electrical potential in a cell is in action versus a resting state the electrical charge reversal?

Action Potential


An electrical impulse moving down an axon is called?

This is called action potential. Action potential is the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals.


The electrical charge of an inactive neuron is known as?

Potential, ok well we all know it's a potential, but which one? Is it Action Potential, Synaptic Potential or Membrane Potential. Just saying Potential isn't saying much?


What is the electrical message that travels along a neuron?

electrical signal


Action potential is an?

Explosion of electrical activity


What is the voltage at the location of a 0.0001-Coulomb charge that has an electric potential energy of 0.5 joules?

Electric Potential = Electrical Potential Energy/ Charge The measurement for electric potential is call the volt. Electrical Potential is often called voltage. Voltage or Electrical Potential = 0.5 Joules / .0001 Coloumb = 5000


Define voltage in terms of electric potential energy and charge?

When unlike charges are moved farther apart, they gain electrical potential energy. Electrical potential difference is the change in potential energy per coulomb of charge. Voltage is the common name for electrical potential difference and is measured in volts (V). Electrical energy depends on the amount of charge and voltage. Electrochemical cells, or batteries, are a common source of voltage. We use voltmeters to measure potential difference. :)


What is the electrical signal carried by a nerve cell?

Action potential


The abrupt shift in the charge of a neuron from a negative to a positive charge is known as?

It is probably called as action potential.


What is a difference in electric charge called?

The chemical gradient refers to the imbalance of substances across the membrane. The Electrical Gradient refers to the difference of charges between substances on different sides of the Membrane. The Electrochemical Gradient refers to the combination of the previous two gradients. The short answer is MEMBRANE POTENTIAL.


What is a membrane potential?

a voltage or electrical charge across the plasma membrane


How electrical signal exist related with membrane potential and and action potential?

Resting potential and action potential are both names for the measure of electrical voltage within the membrane of a cell. Specifically, these terms are used in describing the transfer of information along neural pathways. Resting potential is a state where cells are at rest. However, if an electrical response or depolarization reaches threshold, then ion channels open, allowing sodium ions to rush into the membrane and increase the voltage measure, firing an action potential along the length of this membrane.